﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>函数调用</title>
</head>
<body>
    <p>
        全局函数 (myFunction)返回参数相乘的结果：
    </p>
    <p id="demo">

    </p>
    <script>
        function myFunction(a, b) {
            return a * b;
        }
        document.getElementById("demo").innerHTML = myFunction(10, 2);
    </script>
</body>
</html>